| Birth* | Ange Lefebvre dit Descoteaux was born on 13 January 1728 at St Antoine, Baie du Febvre, Yamaska, Québec, Canada. |
| He was the son of Claude Lefebvre dit Descoteaux and Marie-Catherine Desrochers. |
| Christening | Ange Lefebvre dit Descoteaux was christened on 15 January 1728 at St Antoine, Baie du Febvre, Yamaska, Québec, Canada. |
| Marriage* | He married Magdeleine Desrosiers, daughter of Francois Desrosiers and Marie-Marguerite Deshayes dit St Cyr, on 17 January 1752 at Trois-Rivières, St Maurice, Québec, Canada. |
| Marriage Contract | A contract for the marriage of Ange Lefebvre dit Descoteaux and Magdeleine Desrosiers was signed on 17 January 1752 at Trois-Rivières, St Maurice, Québec, Canada. |
| Death* | Ange Lefebvre dit Descoteaux died after 17 January 1752 at Québec, Canada. |
| Burial* | He was buried after 17 January 1752 at Québec, Canada. |
